The first integral term in the expansion of $(\sqrt{3}+\sqrt[3]{2})^{9}$, is its

$g(x)=4 x, P(y)=\frac{(1+y)^{n}}{1-y}$

The number of integral terms in expansion $(\sqrt [2]{3} + \sqrt [ 8 ]{ 5 } )^{256}$ is

$z=2 x+3 y$

$f\left(x\right)=\left(2-\frac{3}{x}\right)^{15}$